package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)
var rdr = bufio.NewReaderSize(os.Stdin, 1000000)

func main() {
	sc.Split(bufio.ScanWords)
	a := nextInt()
	p, m := 1, make(map[int]bool)

	for i := 1; i < 31; i++ {
		m[p] = true
		p *= 2
	}

	fs := []int{3, 5, 17, 257, 65537}
	for _, f := range fs {
		next := make(map[int]bool)
		for k, v := range m {
			next[k] = v
			next[k*f] = v
		}
		m = next
	}

	delete(m, 1)
	delete(m, 2)

	c := 0
	for k := range m {
		if k <= a {
			c++
		}
	}
	fmt.Println(c)
}

func nextLine() string {
	sc.Scan()
	return sc.Text()
}

func nextInt() int {
	i, _ := strconv.Atoi(nextLine())
	return i
}